/*
 * Copyright (c) 1998-2011 Caucho Technology -- all rights reserved
 *
 * This file is part of Resin(R) Open Source
 *
 * Each copy or derived work must preserve the copyright notice and this
 * notice unmodified.
 *
 * Resin Open Source is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * Resin Open Source is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE, or any warranty
 * of NON-INFRINGEMENT.  See the GNU General Public License for more
 * details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Resin Open Source; if not, write to the
 *
 *   Free Software Foundation, Inc.
 *   59 Temple Place, Suite 330
 *   Boston, MA 02111-1307  USA
 *
 * @author Scott Ferguson
 */

package com.caucho.network.listen;

import java.util.logging.*;

import com.caucho.config.Configurable;
import com.caucho.vfs.*;

/**
 * Throttles connections
 */
@Configurable
public class Throttle
{
  private static final Logger log = Logger.getLogger(Throttle.class.getName());
  
  protected Throttle()
  {
  }

  public void setMaxConcurrentRequests(int max)
  {
    throw new UnsupportedOperationException(getClass().getName());
  }

  public int getMaxConcurrentRequests()
  {
    throw new UnsupportedOperationException(getClass().getName());
  }

  public static Throttle createPro()
  {
    try {
      Class<?> cl = Class.forName("com.caucho.network.listen.ProThrottle");

      return (Throttle) cl.newInstance();
    } catch (Exception e) {
      log.finer(e.toString());
    }

    return null;
  }

  public boolean accept(QSocket socket)
  {
    return true;
  }

  public void close(QSocket socket)
  {
  }
}
